<?php

/**
 * This is the model class for table "semester".
 *
 * The followings are the available columns in table 'semester':
 * @property integer $id
 * @property string $name
 * @property string $summary_value
 * @property integer $education_id
 * @property string $summary_label
 *
 * The followings are the available model relations:
 * @property Education $education
 * @property Subject[] $subjects
 */
class SemesterBase extends CActiveRecord
{
	/**
	 * Returns the static model of the specified AR class.
	 * @return SemesterBase the static model class
	 */
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}

	/**
	 * @return string the associated database table name
	 */
	public function tableName()
	{
		return 'semester';
	}

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
			array('name, summary_value, education_id, summary_label', 'required'),
			array('education_id', 'numerical', 'integerOnly'=>true),
			array('name, summary_value, summary_label', 'length', 'max'=>255),
			// The following rule is used by search().
			// Please remove those attributes that should not be searched.
			array('id, name, summary_value, education_id, summary_label', 'safe', 'on'=>'search'),
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
			'education' => array(self::BELONGS_TO, 'Education', 'education_id'),
			'subjects' => array(self::HAS_MANY, 'Subject', 'semester_id'),
		);
	}

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'id' => 'ID',
			'name' => 'Name',
			'summary_value' => 'Summary Value',
			'education_id' => 'Education',
			'summary_label' => 'Summary Label',
		);
	}

	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 * @return CActiveDataProvider the data provider that can return the models based on the search/filter conditions.
	 */
	public function search()
	{
		// Warning: Please modify the following code to remove attributes that
		// should not be searched.

		$criteria=new CDbCriteria;

		$criteria->compare('id',$this->id);
		$criteria->compare('name',$this->name,true);
		$criteria->compare('summary_value',$this->summary_value,true);
		$criteria->compare('education_id',$this->education_id);
		$criteria->compare('summary_label',$this->summary_label,true);

		return new CActiveDataProvider($this, array(
			'criteria'=>$criteria,
		));
	}
}